NO. 2 



SMITHSOXIAX EXPLORATIONS, I918 



25 



Following" this Appalachian work. Dr. Bassler spent some davs 

 in central Kentucky and eastern Indiana searching' for certain 

 exhibits. In Kentucky he located a layer of limestone which had been 

 so carved out by underground water that it could be used to illus- 

 trate the formation of a cave in miniature, and a suitable piece was 

 quarried out. Certain fossil faunas which were much needed to 

 complete the Museitm's paleontological material from this area 

 were also secured. The main object of the work in Indiana was to 

 obtain a large slab of limestone composed entirely of certain char- 

 acteristic brachiopods known to all beginners in paleontology, fre- 



Fk;. 2^. — Exposure of (Jleiiollus shale and Corynexochus limestone, north 

 of York, Pa. Photograph hy Resser. 



quent requests for such cxhiljits ha\'ing" been made 1)\- students visit- 

 ing the Museum. After a week of search, two large, well-preserved 

 slabs of this kind were found, but in an area some miles from a rail- 

 road. L']jon enrleavoring to have them trans])()rted to a freight 

 station it was found impossible to ])rocure help ot any kind. These 

 two specimens were therefore buried deep enough to insure their 

 safety until >uc]i time as they can be shipped Id Washington. 



Dr. Charles E. Kesser spent a part of liis \acalion studying the 

 detailed stratigraphy of the Lower ( ainbrian dcposiis of the Lan- 

 caster and ^'ork vallevs of Leniis\ 1\ ania. Me toniid that the lowest 



